Security readout for executives and security teams
Plain-English summary
This flaw could let an unauthenticated attacker make Cisco WebEx Meetings Server send a user to an attacker-chosen website. It is mainly a phishing and trust-abuse risk, not a direct system takeover. User interaction is required, and the provided sources do not show active exploitation.
Executive priority
Handle as a moderate-priority phishing-enablement issue. It should be remediated during normal vulnerability management, faster if the Webex server is externally reachable or heavily used by executives, customers, or partners.
Technical view
CVE-2019-1954 is CWE-601 open redirect in the Cisco WebEx Meetings Server web-based management interface. Improper validation of URL parameters in HTTP requests can cause redirects to attacker-specified URLs. CVSS v3.0 is 4.3: network reachable, low complexity, no privileges, user interaction required, integrity impact low.
Likely exposure
Exposure applies to organizations running Cisco WebEx Meetings Server where the web-based management interface is reachable by users or attackers. The provided bundle lists affected versions as unspecified, so product inventory and Cisco advisory review are needed to determine real exposure.
Exploitation context
The vulnerability is remotely triggerable without authentication, but it requires a user to follow or interact with a crafted request. There is no CISA KEV listing in the provided data, and no cited source in the bundle confirms active exploitation.
Researcher notes
The evidence supports an open redirect only. Do not assume code execution, credential theft, or broader Cisco Webex cloud exposure from this CVE alone. Key missing detail in the provided bundle is the exact affected and fixed software version range.
Mitigation direction
- Confirm whether Cisco WebEx Meetings Server is deployed and still supported.
- Review Cisco's advisory for affected releases and official fixed-release guidance.
- Limit access to the web-based management interface where business operations allow.
- Treat suspicious Webex-related redirect links as phishing indicators.
Validation and detection
- Inventory internet-accessible and internal Cisco WebEx Meetings Server management interfaces.
- Compare deployed versions against Cisco advisory details; the provided bundle leaves versions unspecified.
- Review HTTP logs for unusual redirect parameter activity tied to Webex management paths.
- Check security awareness and mail defenses for Webex-branded phishing lures.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-601: User-session and phishing behavior lookup
Client-side and session-facing weaknesses should be reviewed alongside initial-access and user-execution behaviors. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2019-1954 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 4.3 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N2.81.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
4.3MediumVector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Source materials
- CVE List V5 sourceCVE List V5
- 20190807 Cisco Webex Meetings Server Open Redirection VulnerabilityCVE reference · vendor-advisory, x_refsource_CISCO
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
URL Redirection to Untrusted Site ('Open Redirect')
URL Redirection to Untrusted Site ('Open Redirect') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.